<template>
  <div>
    <!-- 面包屑导航 -->
    <el-breadcrumb separator-class="el-icon-arrow-right">
      <el-breadcrumb-item :to="{ path: '/home' }">首页</el-breadcrumb-item>
      <el-breadcrumb-item>数据统计</el-breadcrumb-item>
      <el-breadcrumb-item>数据报表</el-breadcrumb-item>
    </el-breadcrumb>

    <!-- 卡片视图区域 -->

    <el-card>
      <!-- 2为 ECharts 准备一个定义了宽高的 DOM -->
      <div id="main" style="width: 800px; height: 400px"></div>
    </el-card>
  </div>
</template>

<script>
// 1导入echarts
import * as echarts from "echarts";
// 引入Lodash
import _ from 'lodash'

export default {
  name: "myReport",
  data() {
    return {
      // 需要合并的数据
      options: {
        title: {
          text: "用户来源",
        },
        tooltip: {
          trigger: "axis",
          axisPointer: {
            type: "cross",
            label: {
              backgroundColor: "#E9EEF3",
            },
          },
        },
        grid: {
          left: "3%",
          right: "4%",
          bottom: "3%",
          containLabel: true,
        },
        xAxis: [
          {
            boundaryGap: false,
          },
        ],
        yAxis: [
          {
            type: "value",
          },
        ],
      },
    };
  },
  created() {
    console.log(echarts);
  },
  methods: {},
  //    在页面DOM渲染完毕之后调用
  async mounted() {
    // 3基于准备好的dom，初始化echarts实例
    const myChart = echarts.init(document.getElementById("main"));

    //  请求数据
    const { data: res } = await this.$axios.get("reports/type/1");
    console.log(res);

    // 准备数据和配置项  将服务器返回的数据和options进行合并
    const result = _.merge(res.data,this.options)

    // 5展示数据
    myChart.setOption(result);
  },
};
</script>

<style>
</style>